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Table 1 Demographic characteristics of the MDD and control groups

From: Heart rate variability and heart rate asymmetry in adolescents with major depressive disorder during nocturnal sleep period

 

MDD group (n = 28)

Control group (n = 33)

Cohen’s d (95% CI)

P-value

Nocturnal RR intervals time series

78

76

  

Sex (female/male)

15/13

19/14

 

0.800

Age (years)

15.79 ± 1.93

15.39 ± 0.50

0.29 (–0.21 ∼ 0.80)

0.106

Height (cm)

165.43 ± 9.15

168.15 ± 9.53

–0.29 (–0.80 ∼ 0.22)

0.345

Weight (kg)

56.16 ± 12.67

54.60 ± 11.83

0.13 (–0.38 ∼ 0.63)

0.667

BMI (kg/m2)

20.35 ± 3.35

19.12 ± 2.62

0.41 (–0.10 ∼ 0.92)

0.151

HDRS

24.57 ± 5.32

3.94 ± 3.80

4.53 (3.58 ∼ 5.47)

< 0.001

PSQI

11.00 ± 3.97

4.46 ± 3.11

1.85 (1.25 ∼ 2.45)

< 0.001

  1. MDD, major depressive disorder; CI, confidence intervals; BMI, body mass index; HDRS, Hamilton Depression Rating Scale; PSQI, the Pittsburgh Sleep Quality Index. Data are expressed as mean ± standard deviation
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BMC Psychiatry

ISSN: 1471-244X

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